Due to the mod done by Morpheus_79 (https://circuit-board.de/forum/index.php/Thread/26421-Etwas-mehr-aus-einer-ZD-915-Entl%C3%B6tstation-rausholen/) I wanted to add a step down converter to my ZD-915 too instead of the old 5W resistors. This plate is designed to use the old holes for the old mounting holes for the black box and the following step down converter: https://www.aliexpress.com/item/32833258033.html